Sudoku: Workouts to sharpen your mind

Challenge yourself to the next level of Sudoku. You think you are the best at it? This book will surely put your skills to test. From numerical Sudoku of different difficulties, to alphanumeric and purely alphabetical Sudoku! This book is the ultimate Sudoku Challenge!

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© 2015 V&S Publishers (كتاب ): 9789352151875

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